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Finding the Fourth Proportional to 5,011.96, 6,912.12 and 3,241.84

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Solution

The fourth proportional to 5,011.96, 6,912.12 and 3,241.84 is: 4,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.96 : 6,912.12 = 3,241.84 : x
  2. Step 2: Convert to fraction form
    5,011.96/6,912.12 = 3,241.84/x
  3. Step 3: Cross multiply
    5,011.96x = 6,912.12 × 3,241.84
  4. Step 4: Simplify right side
    5,011.96x = 22,407,987.10
  5. Step 5: Solve for x
    x = 22,407,987.10/5,011.96
  6. Step 6: Final answer
    x = 4,470.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.